1.   A lot of hard work by ordinary citizens eventually brought the changes about.

2.   But the Seventies and Eighties brought massive change.

3.   Computers have brought dramatic changes to the workplace.

4.   Even if they do not cut effective costs, they will bring about changes in patterns of demand for services.

5.   In recent years, the Government has introduced legislation which has brought fundamental changes to local government.

6.   In the absence of a vigorous middle class the intelligentsia lacked any effective levers through which to bring about change.

7.   It was arguably one of those times, rare in recent years, that a California law helped bring change nationwide.

8.   Over time, integration into the global economy is more likely to bring about change.

9.   The Internet has brought dramatic changes to the way we work.

10.   The technical difficulty in bringing the changes to fruition says something about how dramatic they are.